/*

    DIY Layout Creator (DIYLC).
    Copyright (c) 2009-2025 held jointly by the individual authors.

    This file is part of DIYLC.

    DIYLC is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    DIYLC is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.

*/
package org.diylc.common;

/**
 * Abstract layer between the app and platform worker thread implementation.
 * 
 * @author Branislav Stojkovic
 * 
 * @param <T>
 */
public interface ITask<T> {

  /**
   * Runs in background thread.
   * 
   * @return
   * @throws Exception
   */
  T doInBackground() throws Exception;

  /**
   * Called if background thread fails.
   * 
   * @param e
   */
  void failed(Exception e);

  /**
   * Called if background thread is executed correctly, the result is passed as a parameter.
   * 
   * @param result
   */
  void complete(T result);
}
